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प्रश्न
State the following:
The group which contains highly reactive electronegative non-metals including chlorine.
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उत्तर
Highly reactive group 17 [VII – A].
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संबंधित प्रश्न
What are the following group known as?
Group 1
How do alkaline earth metals occur in nature?
Write the electronic configuration of the first two alkaline earth metals.
How many electrons do inert gases have in their valence shells?
Name the gas used in:
Light bulbs
Write a short note on the following type of element –
halogens
‘The periodic table contains elements methodically grouped together’.
Name or state following with reference to the element of the first three periods of the periodic table.
An alkaline earth metal in period 3.
State the following:
The group whose elements are unreactive or inert.
Match the elements of List – I with their type from List – II.
| List – I | List – II |
| 1. Highly reactive, univalent metals | A: Halogens |
| 2. Highly reactive, univalent non-metals | B: Transition elements |
| 3. Unreactive, inert elements | C: Alkali metals |
| 4. Elements of group 3 to 12 [IB to VII B and VIII] | D: Lanthanide series |
| 5. Radioactive elements | E: Noble gases |
| F: Actinide series |
